Gould, Lucius D., b. 1814. [from old catalog] · New York, A.J. Bicknell & co. · leaf 102
aight wood, at R. The mould for the wreath at the landing, is shown at Fig. 4 ; draw themajor axis indefinitely, square up from B to H, equal to 0 J, Fig. 1; set off fromB to S, equal to S T, Fig. 2 ; for the width of the mould at S, set off each wayfrom H half the width of the rail; from the… … Plate 25 Exhibits the plan and elevation of a staircase^ starting with a quarter circle of To find the major axis of the elliptic curve for the centre of the mould,draw lines from H and L, Fig. 1, parallel to R C indefinitely. Set up fromH to S, equal to P J, Fig, 2 ; draw A S, and extend to D ;…
Stair building
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